package oo.day04.vis;
import oo.day04.Hoo;
public class Joo {
	void show() {
		Hoo h = new Hoo();
		h.a = 1;
	}
}

class Koo extends Hoo{
	void show() {
		a = 1;
		b = 2;
//		c = 3;
//		d = 4;
	}
}
 